Dr. John T. Grandone, MD
- Medicare services, 2023
- 74
- Part D claims, 2024
- 22
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Industry payments
- $12
- Practice address
- 130 2nd St, Neenah, WI 54956
- Practice phone
- Call (920) 729-3100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grandone's professional email, personal email and mobile number
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Dr. John T. Grandone is a rheumatologist in Neenah, Wisconsin
Dr. Grandone practices at ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin, part of Froedtert ThedaCare Health.
Dr. Grandone's NPI, 1467480681, was assigned on June 28, 2006. Dr. Grandone graduated from Saint Louis University School of Medicine in 1973. Dr. Grandone holds Wisconsin license 21696.
- NPI
- 1467480681NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587847736
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 729-3100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John T. Grandone practices at ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin
Dr. Grandone's primary practice is ThedaCare Regional Medical Center-Neenah, at 130 2nd St, Neenah, WI 54956 in Winnebago County. The practice phone is (920) 729-3100.
- ThedaCare Regional Medical Center-Neenah130 2nd St, Neenah, WI 54956 · Winnebago CountyPhone(920) 729-3100
Source: Dmand AI Affiliation Data
Dr. John T. Grandone is affiliated with 3 sites of care and 1 medical group
Dr. Grandone's primary practice is ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin, part of Froedtert ThedaCare Health. Dr. Grandone is also affiliated with ThedaCare Regional Medical Center-Appleton. The medical group on file is ThedaCare Behavioral Health Walk-in Care-Neenah. Dmand AI also links Dr. Grandone to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John T. Grandone's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grandone practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ThedaCare Regional Medical Center-Neenah | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John T. Grandone is one of 138 rheumatologists in Wisconsin
Rheumatology is Dr. Grandone's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Grandone is licensed in Wisconsin.
Specialties and state licenses
- Rheumatology, WisconsinPrimary
Rheumatologists near Dr. Grandone
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John T. Grandone billed Medicare for 74 services in 2023
CMS data shows 74 Medicare services from Dr. Grandone across 1 procedure code in 2023, all of them office visits. Medicare paid $4,413 for them. Every service was in an office.
Dr. Grandone's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 2752023: 7473%
- Drugs given in the office
- 2022: 1062023: 0100%
- Surgery
- 2022: 482023: 0100%
Dr. Grandone compared with the Wisconsin median for rheumatologists, 2023
- Dr. Grandone
- Wisconsin median
- Medicare services
- 74vs 51486% below
- Part D claims
- 649vs 1,04038% below
Medians across 143 rheumatologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Grandone's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John T. Grandone's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Grandone's median patient age at 67, with 56% women.
Dr. Grandone's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. John T. Grandone wrote 22 Medicare Part D claims in 2024
In 2024, Dr. Grandone wrote 22 Medicare Part D claims for 11 patients. 100% of them were for generic drugs. They cover 13 drugs, with $324,902 in total drug cost. In 2022, CMS named 1,725 claims across 26 drugs.
Dr. Grandone's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1,7252023: 64962%
Drugs named by CMS: 13 in 2023, 26 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John T. Grandone scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Grandone for performance year 2024, reported through an alternative payment model (APM). Dr. Grandone accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Grandone's MIPS scores, performance year 2024
- 97of 100Final score
- 98.1of 100Quality
- 88of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John T. Grandone received $12 in industry payments from 2016 to 2021
CMS Open Payments shows 2 general payments to Dr. Grandone from 2 drug and device companies from 2016 to 2021. Education make up the largest share, 100% of the total. Amgen Inc. paid the most, $12.
General payments to Dr. Grandone by program year, 2016 to 2021
Companies that paid Dr. Grandone the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John T. Grandone graduated from Saint Louis University School of Medicine
Dr. Grandone graduated from Saint Louis University School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John T. Grandone's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John T. Grandone
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John T. Grandone's NPI number?
Dr. John T. Grandone's NPI number is 1467480681. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John T. Grandone?
Dr. John T. Grandone is a rheumatologist in Neenah, Wisconsin. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. John T. Grandone practice?
Dr. Grandone practices at 130 2nd St, Neenah, WI 54956. Dr. Grandone's primary practice is ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Grandone to 1 group practice or clinic.
What is Dr. John T. Grandone's office phone number?
The practice phone on file for Dr. Grandone is (920) 729-3100.
What is Dr. John T. Grandone's medical license number?
Dr. Grandone holds Wisconsin license 21696.
Which hospitals is Dr. John T. Grandone affiliated with?
Dr. Grandone practices at ThedaCare Regional Medical Center-Neenah in Neenah, Wisconsin. Dr. Grandone is also affiliated with ThedaCare Regional Medical Center-Appleton.
What medical group is Dr. John T. Grandone part of?
Dr. Grandone is linked to ThedaCare Behavioral Health Walk-in Care-Neenah.
Does Dr. John T. Grandone accept Medicare?
Yes. CMS data shows Dr. Grandone billed Medicare for 74 services in 2023, and Dr. Grandone accepts Medicare assignment.
What is Dr. John T. Grandone's MIPS score?
Dr. Grandone's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).
What services does Dr. John T. Grandone bill to Medicare?
In 2023, Dr. Grandone's most billed Medicare services were office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. John T. Grandone go to medical school?
Dr. Grandone graduated from Saint Louis University School of Medicine in 1973.
What drugs does Dr. John T. Grandone prescribe most?
In 2023 Medicare Part D data, Dr. Grandone's most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Prednisone.
Has Dr. John T. Grandone received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Grandone from 2 companies from 2016 to 2021. The largest total came from Amgen Inc.
How long has Dr. John T. Grandone been practicing?
Dr. Grandone graduated from medical school in 1973, 53 years ago.
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